@charset "UTF-8";

#sub_main {
  background: url(../images/bg-visit.jpg) no-repeat center/cover;
}

/* =======================================================
* volunteer
* ======================================================= */
#volunteer ul {
  display: grid;
  gap: 5px;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  margin: 30px 0 70px;
}

@media screen and (max-width:768px) {
  #volunteer ul {
    grid-template-columns: 1fr 1fr;
  }
}